The rough endoplasmic reticulum (rough ER) is different from the smooth ER because A. the rough...
The rough endoplasmic reticulum (rough ER) is different from the smooth ER because
A. the rough ER has lipids bound on its surface.
B. aminoacyl-tRNA synthetases join amino acids to tRNAs on it.
C. the rough ER has many ribosomes bound to it.
D. smooth ER is coated by messenger RNAs.
E. RNA polymerases are found all over the rough ER.
Homework Answers
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The rough endoplasmic reticulum (rough ER) is different from the
smooth ER because
A. the rough...
Which one of the following statements is false? rough endoplasmic reticulum (RER) does not contain ribosomes...
Which one of the following statements is false? A. rough endoplasmic reticulum (RER) does not contain ribosomes on its surface and is involved in phospholipid synthesis B. an organelle is a specialized structure with specific cellular functions C.the secretory pathway explains the movement of secretory proteins from the endoplasmic reticulum to the Golgi apparatus D. the signal sequence is cleaved by signal peptidase and released into the ER lumen E.signal recognition particles are composed of proteins and RNA that binds to signal sequences and targets...
The "adapters" that allow translation of the four letter nucleic acid lankage into the 20-letter protein...
The "adapters" that allow translation of the four letter nucleic acid lankage into the 20-letter protein language are called O a. ribosomes Ob.messenger RNAs. O c. ribosomal RNAs. O d. aminoacyl RNA synthetases O e. transfer RNAS In order to examine which molecule is recognized by the protein synthesis machinery, Seymour Benzer a. manipulated the anticodon of a charged tRNA. O b. chemically converted the amino acid on a charged tRNA. O c. charged a tRNA molecule with two different...
1. Transcription occurs in the a. Nucleus. b. Ribosomes of the Rough Endoplasmic Reticulum. c. Mitochondrion....
1. Transcription occurs in the a. Nucleus. b. Ribosomes of the Rough Endoplasmic Reticulum. c. Mitochondrion. d. Cell membrane. e. Smooth Endoplasmic Reticulum. 2. The monomers of DNA and RNA are a. amino acids. b. monosaccharides. c. nucleotides. d. fatty acids. e. nucleic acids. 3. Which of the following statements regarding DNA is false? a. DNA uses the nitrogenous base uracil. b. DNA is a nucleic acid. c. One DNA molecule can include four different nucleotides in its structure. d....
Please answer all questions 2 After isolating the rough endoplasmic reticulum from the rest of the...
Please answer all questions
2 After isolating the rough endoplasmic reticulum from the rest of the cytoplasm, you purify the RNAS attached to it. Which of the following proteins do you expect the RNA from the rough endoplasmic reticulum to encode? (a) (c) soluble secreted proteins plasma membrane proteins ER membrane proteins all of the above (b) (d) -13 In which cellular location would you expect to find ribosomes translating MRNAS that encode ribosomal proteins? (a) (c) the nucleus in...
16. Once formed, mRNA carries genetic information from DNA to the a) smooth endoplasmic reticulum b)...
16. Once formed, mRNA carries genetic information from DNA to the a) smooth endoplasmic reticulum b) secretory vesicles c) Golgi apparatus d) ribosomes 17. DNA is a chain of a) amino acids b) nucleic acids c) nucleotidesd) proteins 18. When does synapsis and crossing-over occur in meiosis? a) prophase I b) prophase II c) metaphase I e) anaphase I d) metaphase II 19. Cell cycle checkpoints are critical for: a) extending cytokinesis b) preventing replication of chromosomes c) encouraging cell...
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use...
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use different amino acids to make their proteins The protein component of bacterial ribosomes is different from human ribosomes The ribosomal RNA of bacteria use different bases than human RNA Bacteria don't have an endoplasmic reticulum for the ribosomes to dock onto
Chapter 4: A Tour of the Cell 5. Smooth endoplasmic reticulum (SER) lacks _, which gives...
Chapter 4: A Tour of the Cell 5. Smooth endoplasmic reticulum (SER) lacks _, which gives it a "smooth" appearance. 6. True or false: If false, make it a correct statement. The smooth endoplasmic reticulum con- tains many enzymes that allow it perform functions like detoxify circulating drugs. 7. Use Figures 4.14 (page 65 of your textbook) and 4.17 (page 67 of your textbook) to answer the following question. Place the following steps in the order in which they occur...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum and Golgi apparatus? A. lipids and steroids B. DNA polymerase and RNA polymerase C. lysosomal enzymes D. cytoskeletal proteins 30. Which of the following are processed in the Golgi apparatus? A. integral membrane proteins of the plasma membrane B. proteins that are secreted from the cell C. proteins that will be broken down by lysosomes D. all of the above E. none of the...
Given that HLA class I and II molecules are both synthesized within the endoplasmic reticulum (ER),...
Given that HLA class I and II molecules are both synthesized within the endoplasmic reticulum (ER), why are cytosolic (i.e. endogenous) antigens not loaded onto (or bound to) HLA class II molecules within the ER? a. ER resident aminopeptidase (ERAP) cannot trim peptides sufficiently to fit into the restricted peptide binding site (8-11 amino acids) HLA class II b. Invariant chain blocks peptide loading of HLA class II c. Endogenous antigens have no transporter to move them into the ER...
Please give me a complete solutions, don't work on it if you're not going to finished...
Please give me a complete solutions, don't work on it if you're not going to finished this. This is an old homework, in which I am using to study for the exam. So please don't give me half ass answers. QUESTION 11 If a DNA segment has the sequence GCTAA, what RNA sequence will be made from it? a. CGATT b. CGUTT c. CGAUU d. GCTAA e. UGATT 1 points QUESTION 12 Which of the following brings amino acids...
Which one of the following statements is false? A. rough endoplasmic reticulum (RER) does not contain ribosomes on its surface and is involved in phospholipid synthesis B. an organelle is a specialized structure with specific cellular functions C.the secretory pathway explains the movement of secretory proteins from the endoplasmic reticulum to the Golgi apparatus D. the signal sequence is cleaved by signal peptidase and released into the ER lumen E.signal recognition particles are composed of proteins and RNA that binds to signal sequences and targets...
The "adapters" that allow translation of the four letter nucleic acid lankage into the 20-letter protein language are called O a. ribosomes Ob.messenger RNAs. O c. ribosomal RNAs. O d. aminoacyl RNA synthetases O e. transfer RNAS In order to examine which molecule is recognized by the protein synthesis machinery, Seymour Benzer a. manipulated the anticodon of a charged tRNA. O b. chemically converted the amino acid on a charged tRNA. O c. charged a tRNA molecule with two different...
Please answer all questions
2 After isolating the rough endoplasmic reticulum from the rest of the cytoplasm, you purify the RNAS attached to it. Which of the following proteins do you expect the RNA from the rough endoplasmic reticulum to encode? (a) (c) soluble secreted proteins plasma membrane proteins ER membrane proteins all of the above (b) (d) -13 In which cellular location would you expect to find ribosomes translating MRNAS that encode ribosomal proteins? (a) (c) the nucleus in...
16. Once formed, mRNA carries genetic information from DNA to the a) smooth endoplasmic reticulum b) secretory vesicles c) Golgi apparatus d) ribosomes 17. DNA is a chain of a) amino acids b) nucleic acids c) nucleotidesd) proteins 18. When does synapsis and crossing-over occur in meiosis? a) prophase I b) prophase II c) metaphase I e) anaphase I d) metaphase II 19. Cell cycle checkpoints are critical for: a) extending cytokinesis b) preventing replication of chromosomes c) encouraging cell...
Many antibiotics act to interfere with bacterial translation because of which of the following? Bacteria use different amino acids to make their proteins The protein component of bacterial ribosomes is different from human ribosomes The ribosomal RNA of bacteria use different bases than human RNA Bacteria don't have an endoplasmic reticulum for the ribosomes to dock onto
Chapter 4: A Tour of the Cell 5. Smooth endoplasmic reticulum (SER) lacks _, which gives it a "smooth" appearance. 6. True or false: If false, make it a correct statement. The smooth endoplasmic reticulum con- tains many enzymes that allow it perform functions like detoxify circulating drugs. 7. Use Figures 4.14 (page 65 of your textbook) and 4.17 (page 67 of your textbook) to answer the following question. Place the following steps in the order in which they occur...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum and Golgi apparatus? A. lipids and steroids B. DNA polymerase and RNA polymerase C. lysosomal enzymes D. cytoskeletal proteins 30. Which of the following are processed in the Golgi apparatus? A. integral membrane proteins of the plasma membrane B. proteins that are secreted from the cell C. proteins that will be broken down by lysosomes D. all of the above E. none of the...
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